On Fri, Apr 13, 2012 at 1:37 AM, aurora1625 <zhibo.xiao@gmail.com> wrote:
>> Hi, everyone
>> I am new to Python and Scipy and I met a problem when trying to optimize a
> function.
>> My problem is:
>> my f function has several parameters(datatype:array), it's like
>> f = \sum lambda_i * phi_i + \zeta *(exp(lambda_i + \nu_i))
>> this function is about lambda, so i get
>> fprime = \sum phi_i + \zeta *(exp(lambda_i + \nu_i))
>> I want to pass in an initial lambda value, but how can I pass in other
> parameter, phi, zeta and nu.
>> I guess my function is about lambda, and the other parameters should be
> constant and fixed, but I really don't know how to pass them in.
>
Use the args keyword for this. From the docstring of fmin_cg
args : tuple, optional
Extra arguments passed to f and fprime.
Skipper